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8025692: Log what methods are touched at run-time

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Added two diagnostic flags, LogTouchedMethods and PrintTouchedMethodsAtExit to list all methods that have been touched at run time. Added new jcmd, VM.print_touched_methods.

Reviewed-by: acorn, iklam
This commit is contained in:
Yumin Qi 2015-07-15 12:24:41 -07:00
parent 99e5ddaa45
commit 6384ca7b1f
19 changed files with 319 additions and 18 deletions
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8
hotspot/src/share/vm/runtime/java.cpp
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@ -330,6 +330,10 @@ void print_statistics() {
SystemDictionary::print();
}
if (LogTouchedMethods && PrintTouchedMethodsAtExit) {
Method::print_touched_methods(tty);
}
if (PrintBiasedLockingStatistics) {
BiasedLocking::print_counters();
}
@ -382,6 +386,10 @@ void print_statistics() {
if (PrintNMTStatistics) {
MemTracker::final_report(tty);
}
if (LogTouchedMethods && PrintTouchedMethodsAtExit) {
Method::print_touched_methods(tty);
}
}
#endif